// SPDX-License-Identifier: GPL-2.0 #include <internal/cpumap.h> #include "../../../util/cpumap.h" #include "../../../util/header.h" #include "../../../util/pmu.h" #include "../../../util/pmus.h" #include <api/fs/fs.h> #include <math.h> const struct pmu_metrics_table *pmu_metrics_table__find(void) { struct perf_pmu *pmu = pmu__find_core_pmu(); if (pmu) return perf_pmu__find_metrics_table(pmu); return NULL; } const struct pmu_events_table *pmu_events_table__find(void) { struct perf_pmu *pmu = pmu__find_core_pmu(); if (pmu) return perf_pmu__find_events_table(pmu); return NULL; } double perf_pmu__cpu_slots_per_cycle(void) { char path[PATH_MAX]; unsigned long long slots = 0; struct perf_pmu *pmu = pmu__find_core_pmu(); if (pmu) { perf_pmu__pathname_scnprintf(path, sizeof(path), pmu->name, "caps/slots"); /* * The value of slots is not greater than 32 bits, but * filename__read_int can't read value with 0x prefix, * so use filename__read_ull instead. */ filename__read_ull(path, &slots); } return slots ? (double)slots : NAN; }